Home / 3,148.32-4,343.04-2,028.96

Finding the Fourth Proportional to 3,148.32, 4,343.04 and 2,028.96

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Solution

The fourth proportional to 3,148.32, 4,343.04 and 2,028.96 is: 2,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.32 : 4,343.04 = 2,028.96 : x
  2. Step 2: Convert to fraction form
    3,148.32/4,343.04 = 2,028.96/x
  3. Step 3: Cross multiply
    3,148.32x = 4,343.04 × 2,028.96
  4. Step 4: Simplify right side
    3,148.32x = 8,811,854.44
  5. Step 5: Solve for x
    x = 8,811,854.44/3,148.32
  6. Step 6: Final answer
    x = 2,798.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.